(2013). Collins skills for the TOEIC® test: Listening and reading. Nxb. Tổng hợp Tp.HCM : Nhân Trí Việt.
Chicago Style citaatCollins Skills for the TOEIC® Test: Listening and Reading. Nxb. Tổng hợp Tp.HCM : Nhân Trí Việt, 2013.
MLA citatieCollins Skills for the TOEIC® Test: Listening and Reading. Nxb. Tổng hợp Tp.HCM : Nhân Trí Việt, 2013.
Let op: Deze citaties zijn niet altijd 100% accuraat.